Advertisements
Advertisements
प्रश्न
State one use of Aluminium.
उत्तर
Aluminium is used to make house-hold utensils and factory equipment.
APPEARS IN
संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
State two important uses of following metal
Uses of magnesium
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Hydrochloric acid,
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Water.
Write scientific reason.
Generally the ionic compounds have high melting points.
State the position of the following in the periodic table:
Halogens
State a specific reason for using copper in electrical cables
An element which is always lustrous, malleable and ductile is ______.
Metals have high melting points.
